Irondequoit Water Hardness & Quality Report (2026)
Water Hardness
6.3 grains per gallon
Source
reservoir
pH Level
7.7
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
214.1 mg/L
Est. Daily Cost
$0.29
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Irondequoit, your appliances are currently losing 14% efficiency due to mineral buildup.
| Appliance | In Irondequoit | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.1 yrs | 8.5 yrs | -28% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 11.3 yrs | 15 yrs | -25% |
Regional Water Comparison
How Irondequoit compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Irondequoit, New York | 107.5 mg/L | 5.4 ppt | 🟡 Moderately Hard | reservoir |
| Rochester, New York | 171.5 mg/L | 8.4 ppt | 🟠 Hard | reservoir |
| Brighton, New York | 140 mg/L | 6.9 ppt | 🟠 Hard | reservoir |
| Greece, New York | 85 mg/L | 4.3 ppt | 🟡 Moderately Hard | reservoir |
| Gates-North Gates, New York | 99 mg/L | 5 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Irondequoit compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Irondequoit | 107.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Irondequoit's Water Unique?
Local geology and source profile
Irondequoit, New York, in Monroe County on Irondequoit Bay (Lake Ontario) adjacent to Rochester — a major Rochester north suburban community on the south shore of Lake Ontario at Irondequoit Bay, a distinctive bay formed by the glacial drainage of the pre-glacial Genesee River, known for Seabreeze Amusement Park and the Irondequoit Bay marine corridor — draws its municipal water supply from Lake Ontario via the Monroe County Water Authority (MCWA), distributed to Irondequoit. Water hardness in Irondequoit measures 107.5 mg/L — classified as moderately hard.
Irondequoit's moderate hardness reflects the Lake Ontario supply in the Monroe County distribution. Lake Ontario at Rochester–Irondequoit receives tributary flow from the Genesee River (draining the Allegheny Plateau and the Devonian calcareous limestone of western New York — contributing moderate dissolved calcium) and the Ontario Plain calcareous till recharge. MCWA treats Lake Ontario supply at the Gate House Water Treatment Plant and distributes to Irondequoit, with the moderate 107.5 mg/L reflecting the treated Lake Ontario supply in the Irondequoit distribution zone — consistent with the Monroe County north shore distribution pattern.
At 107.5 mg/L, Irondequoit residents encounter moderate scale accumulation. Faucet aerators and showerheads develop deposits after several months — monthly cleaning with citric acid solution is practical maintenance. Monroe County Water Authority consistently delivers water meeting all New York State DOH and EPA Safe Drinking Water Act requirements.
Geology & Source: Lake supply from Lake Ontario via the Monroe County Water Authority (MCWA) and the Town of Irondequoit Water Division — the Monroe County Lake Ontario (Silurian–Devonian calcareous limestone and dolomite subcrop in the Rochester–Irondequoit area); moderately hard supply at 107.5 mg/L in Monroe County.